Finding the Third Proportional to 866,386 and 1,900,166

Step by Step Solution

1. Step 1: Write the proportion equation
   866,386 : 1,900,166 = 1,900,166 : x
2. Step 2: Convert to fraction form
   866,386/1,900,166 = 1,900,166/x
3. Step 3: Cross multiply
   866,386x = 1,900,166 × 1,900,166
4. Step 4: Simplify right side
   866,386x = 3,610,630,827,556
5. Step 5: Solve for x
   x = 3,610,630,827,556/866,386
6. Step 6: Final answer
   x = 4,167,462.11